CLLocationDistance從公里更改爲里程

Question

我目前有這個設置，我很想在計算距離時將Km從公里改爲Miles。這裏是我當前的代碼：

CLLocation *userloc = [[CLLocation alloc] initWithLatitude:locationManager.location.coordinate.latitude longitude:locationManager.location.coordinate.longitude]; 
CLLocation *loc = [[CLLocation alloc] initWithLatitude:lat longitude:lon]; 

CLLocationDistance distance2 = [userloc distanceFromLocation:loc]/ 1000; 
NSLog(@"%f",distance2); 

[distance setText:[NSString stringWithFormat:@"%.2f km", distance2]]; 
} 

Answer 1

這是一個簡單的換算：

CLLocationDistance distance2 = [userloc distanceFromLocation:loc] * 0.000621371; 
NSLog(@"%f",distance2); 

[distance setText:[NSString stringWithFormat:@"%.2f mi", distance2]];